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Finding the Fourth Proportional to 7,318.72, 10,970.40 and 2,700.16

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Solution

The fourth proportional to 7,318.72, 10,970.40 and 2,700.16 is: 4,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.72 : 10,970.40 = 2,700.16 : x
  2. Step 2: Convert to fraction form
    7,318.72/10,970.40 = 2,700.16/x
  3. Step 3: Cross multiply
    7,318.72x = 10,970.40 × 2,700.16
  4. Step 4: Simplify right side
    7,318.72x = 29,621,835.26
  5. Step 5: Solve for x
    x = 29,621,835.26/7,318.72
  6. Step 6: Final answer
    x = 4,047.41

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